图像分割资料

gaohaikuo1

https://mp.weixin.qq.com/s?__biz ... e4b1c5&scene=27

gaohaikuo1

实际实验例子https://community.modelscope.cn/ ... m_relevant_index=13

gaohaikuo1

1. I = imread('car.jpg');
   
2. subplot(4,3,1); imshow(I);
   
3. %灰度化
   
4. I_gray = rgb2gray(I);
   
5. subplot(4,3,2); imshow(I_gray);
   
6. %I_zone = I(:,:,3)-I(:,:,1)-I(:,:,2);
   
7. I_zone = (I(:,:,3)>100)&(I(:,:,1)<100)&(I(:,:,2)<100);
   
8. subplot(4,3,3); imshow(I_zone,[]);
   
9. se = strel('disk',3);  %structure element结构元素
   
10. I_zone1 = imerode(I_zone,se);%腐蚀
    
11. I_zone2 = imdilate(I_zone1,se);%膨胀
    
12. subplot(4,3,4); imshow(I_zone2,[]);
    
13. [i,j] = find(I_zone2 == 1);
    
14. left = min(j);
    
15. right = max(j);
    
16. upper = min(i);
    
17. lower = max(i);
    
18. I_zone3 = I_gray(upper:lower,left:right);
    
19. subplot(4,3,5); imshow(I_zone3,[]);
    
20. I_bw = I_zone3 >150;
    
21. subplot(4,3,6); imshow(I_bw,[]);

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